Cryonics: Difference between revisions
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Though often mistaken for [http://en.wikipedia.org/wiki/Cryogenics#Definitions_and_distinctions cryogenics], which is merely the study of cold on materials, '''Cryonics''' is the science of cryo-preservation, using a mixture of factors to preserve a [[Human]] or other organism in stasis for periods of time. | Though often mistaken for [http://en.wikipedia.org/wiki/Cryogenics#Definitions_and_distinctions cryogenics], which is merely the study of cold on materials, '''Cryonics''' is the science of cryo-preservation, using a mixture of factors to preserve a [[Human]] or other organism in stasis for periods of time. | ||
Essentially, extremely low temperatures are created, preserving the human body almost indefinitely. Preserving the human brain is more problematic, but [[UNSC]] technology has apparently overcome the obstacles of neural tissue damage and resuscitation, but with tissue damage still being a problem, causing what is colloquially called "[[freezer burn]]."<ref>'''[[Halo: Combat Evolved]]''', campaign level, ''[[Pillar of Autumn (Level)]]''</ref> However as stated in ''[[Halo: Contact Harvest]]'', the [[UNSC]] seems to use certain types of drugs to prevent "freezer burn." | Essentially, extremely low temperatures are created, preserving the human body almost indefinitely. Preserving the human brain is more problematic, but [[United Nations Space Command|UNSC]] technology has apparently overcome the obstacles of neural tissue damage and resuscitation, but with tissue damage still being a problem, causing what is colloquially called "[[freezer Burn|freezer burn]]."<ref>'''[[Halo: Combat Evolved]]''', campaign level, ''[[The Pillar of Autumn|Pillar of Autumn (Level)]]''</ref> However as stated in ''[[Halo: Contact Harvest]]'', the [[United Nations Space Command|UNSC]] seems to use certain types of drugs to prevent "freezer burn." | ||
The UNSC uses [[Cryo-chamber|cryonic storage pods]] in long-range warships, storing personnel for long periods to prevent aging during the journey and to preserve life-vital systems, maintaining only skeleton crews until nearing their target zone.<ref>'''[[Halo: The Flood]]'''</ref> A [[Bronchial Surfactant|bronchial surfactant]] is ingested, intended to replace nutrients lost during the journey, but is unpleasant and often instead vomited.<ref>'''[[Halo: The Fall of Reach]]'''</ref> | The UNSC uses [[Cryo-chamber|cryonic storage pods]] in long-range warships, storing personnel for long periods to prevent aging during the journey and to preserve life-vital systems, maintaining only skeleton crews until nearing their target zone.<ref>'''[[Halo: The Flood]]'''</ref> A [[Bronchial Surfactant|bronchial surfactant]] is ingested, intended to replace nutrients lost during the journey, but is unpleasant and often instead vomited.<ref>'''[[Halo: The Fall of Reach]]'''</ref> | ||
It is unknown whether the [[Covenant Empire|Covenant]] use a version of this technology. Given the dramatically higher speeds their warships can achieve, though, it is unlikely that it is necessary. The [[Forerunner]]s used a system similar in practice, but using [[slipspace]] to store the personnel within the pod instead of merely freezing them.<ref>'''[[Halo: Ghosts of Onyx]]'''</ref> | It is unknown whether the [[Covenant Empire|Covenant]] use a version of this technology. Given the dramatically higher speeds their warships can achieve, though, it is unlikely that it is necessary. The [[Forerunner]]s used a system similar in practice, but using [[slipstream space|slipspace]] to store the personnel within the pod instead of merely freezing them.<ref>'''[[Halo: Ghosts of Onyx]]'''</ref> | ||
In some cases UNSC marines can be placed in cryostasis to help ration food and oxygen as they don't need it if they are frozen. | In some cases UNSC marines can be placed in cryostasis to help ration food and oxygen as they don't need it if they are frozen. | ||
Revision as of 22:41, May 14, 2011
Though often mistaken for cryogenics, which is merely the study of cold on materials, Cryonics is the science of cryo-preservation, using a mixture of factors to preserve a Human or other organism in stasis for periods of time.
Essentially, extremely low temperatures are created, preserving the human body almost indefinitely. Preserving the human brain is more problematic, but UNSC technology has apparently overcome the obstacles of neural tissue damage and resuscitation, but with tissue damage still being a problem, causing what is colloquially called "freezer burn."[1] However as stated in Halo: Contact Harvest, the UNSC seems to use certain types of drugs to prevent "freezer burn."
The UNSC uses cryonic storage pods in long-range warships, storing personnel for long periods to prevent aging during the journey and to preserve life-vital systems, maintaining only skeleton crews until nearing their target zone.[2] A bronchial surfactant is ingested, intended to replace nutrients lost during the journey, but is unpleasant and often instead vomited.[3]
It is unknown whether the Covenant use a version of this technology. Given the dramatically higher speeds their warships can achieve, though, it is unlikely that it is necessary. The Forerunners used a system similar in practice, but using slipspace to store the personnel within the pod instead of merely freezing them.[4] In some cases UNSC marines can be placed in cryostasis to help ration food and oxygen as they don't need it if they are frozen.
Cytoprethaline, a drug used by the UNSC during cryo-sleep, prevents damage to the occupants cell membranes caused by ice crystal formation.
